Articles with "fisher equation" as a keyword



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Symmetries and solutions for a Fisher equation with a proliferation term involving tumor development

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Published in 2019 at "Mathematical Methods in the Applied Sciences"

DOI: 10.1002/mma.6105

Abstract: We consider a generalized Fisher equation involving tumor development from the point of view of the theory of symmetry reductions in partial differential equations. The study of this equation is relevant as it includes generalizations… read more here.

Keywords: tumor; tumor development; equation; fisher equation ... See more keywords
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A solitary wave solution to the generalized Burgers-Fisher's equation using an improved differential transform method: A hybrid scheme approach

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Published in 2021 at "Heliyon"

DOI: 10.1016/j.heliyon.2021.e07001

Abstract: In this research, an unrivalled hybrid scheme which involves the coupling of the new Elzaki integral transform (an improved version of Laplace transform) and a modified differential transform called the projected differential transform (PDTM) have… read more here.

Keywords: fisher equation; burgers fisher; solution; differential transform ... See more keywords
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A bounded and monotone finite-difference solution of a hyperbolic Burgers–Fisher equation

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Published in 2018 at "International Journal of Modern Physics C"

DOI: 10.1142/s012918311850122x

Abstract: In this work, a nonlinear finite-difference scheme is provided to approximate the solutions of a hyperbolic generalization of the Burgers–Fisher equation from population dynamics. The model under study is a partial differential equation with nonlinear… read more here.

Keywords: difference; bounded monotone; fisher equation; burgers fisher ... See more keywords
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Numerical Solution of Burger’s_Fisher Equation in One - Dimensional Using Finite Differences Methods

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Published in 2018 at "Food Microbiology"

DOI: 10.11648/j.fm.20180401.13

Abstract: In this paper the Burger’s_Fisher equation inone dimension has been solved by using three finite differences methods which are the explicit method, exponential method and DuFort_Frankel method After comparing the numerical results of those methods… read more here.

Keywords: fisher equation; finite differences; solution; burger fisher ... See more keywords
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On the numerical solution of Fisher’s equation with coefficient of diffusion term much smaller than coefficient of reaction term

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Published in 2019 at "Advances in Difference Equations"

DOI: 10.1186/s13662-019-2080-x

Abstract: Li et al. (SIAM J. Sci. Comput. 20:719–738, 1998) used the moving mesh partial differential equation (MMPDE) to solve a scaled Fisher’s equation and the initial condition consisting of an exponential function. The results obtained… read more here.

Keywords: fisher equation; term; equation; numerical solution ... See more keywords